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Finding the Fourth Proportional to 49,620, 68,475.60 and 27,265.44

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Solution

The fourth proportional to 49,620, 68,475.60 and 27,265.44 is: 37,626.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,620 : 68,475.60 = 27,265.44 : x
  2. Step 2: Convert to fraction form
    49,620/68,475.60 = 27,265.44/x
  3. Step 3: Cross multiply
    49,620x = 68,475.60 × 27,265.44
  4. Step 4: Simplify right side
    49,620x = 1,867,017,363.26
  5. Step 5: Solve for x
    x = 1,867,017,363.26/49,620
  6. Step 6: Final answer
    x = 37,626.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.